1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_SIMULATOR_INCLUDE_CODE_SIMULATOR_H_
18 #define ART_SIMULATOR_INCLUDE_CODE_SIMULATOR_H_
19 
20 #include "arch/instruction_set.h"
21 
22 namespace art {
23 
24 class CodeSimulator {
25  public:
CodeSimulator()26   CodeSimulator() {}
~CodeSimulator()27   virtual ~CodeSimulator() {}
28   // Returns a null pointer if a simulator cannot be found for target_isa.
29   static CodeSimulator* CreateCodeSimulator(InstructionSet target_isa);
30 
31   virtual void RunFrom(intptr_t code_buffer) = 0;
32 
33   // Get return value according to C ABI.
34   virtual bool GetCReturnBool() const = 0;
35   virtual int32_t GetCReturnInt32() const = 0;
36   virtual int64_t GetCReturnInt64() const = 0;
37 
38  private:
39   DISALLOW_COPY_AND_ASSIGN(CodeSimulator);
40 };
41 
42 extern "C" CodeSimulator* CreateCodeSimulator(InstructionSet target_isa);
43 
44 }  // namespace art
45 
46 #endif  // ART_SIMULATOR_INCLUDE_CODE_SIMULATOR_H_
47